--- diff/diff.module	2008-05-09 05:10:10.000000000 -0700
+++ diff/diff.module.new	2008-05-09 05:10:17.000000000 -0700
@@ -32,6 +32,7 @@
     'title' => 'Diff',
     'page callback' => 'diff_diffs_show',
     'page arguments' => array(1, 4, 5),
+    'access arguments' => array('access diff'),
     'type' => MENU_CALLBACK,
   );
   return $items;